Content (µg/g of dry weight)

Phenolic Free methanol soluble phenolics Cell wall bound phenolics Total
  25°C 60°C  

Caffeicacid 0.60±0.03 1.02±0.05 0.99±0.06 2.61
d-Glucuronicacid 1.01±0.05 Not detected Not detected 1.01
Ferulicacid 0.63±0.04 0.94±0.02 10.53±0.46 12.10
Glutaricacid 1.45±0.11 2.44±0.14 3.67±0.27 7.56
Protocetechuicacid 25.67±1.69 43.75±3.80 10.68±0.64 80.10
p-Coumaricacid 0.89±0.02 1.65±0.11 7.88±0.53 10.42
p-Hydroxybenzoicacid 99.83±0.69 268.71±2.35 158.67±6.72 527.21
Quinicacid 4.70±0.45 4.99±0.38 Not detected 9.69
Salicylicacid Not detected Not detected 0.16±0.04 0.16
Shikimicacid 6.95±0.32 8.93±0.72 1.51±0.38 17.39
Sinapicacid Not detected Not detected 1.51±0.06 1.51
Syringicacid 1.15±0.02 1.91±0.07 1.83±0.07 4.89
Vanillicacid 8.20±0.10 15.58±0.25 12.77±0.37 36.55
Total Phenolics 151.08 349.92 210.20 711.20
Total Phenolics (%) 21.24 49.20 29.56 100

Ibrahim et al.Renewable Bioresources  2015 3:2DOI : 10.7243/2052-6237-3-2